java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem08_label29_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 17:43:31,665 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 17:43:31,669 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 17:43:31,687 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 17:43:31,689 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 17:43:31,690 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 17:43:31,691 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 17:43:31,693 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 17:43:31,696 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 17:43:31,698 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 17:43:31,700 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 17:43:31,701 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 17:43:31,702 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 17:43:31,703 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 17:43:31,711 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 17:43:31,712 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 17:43:31,713 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 17:43:31,716 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 17:43:31,721 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 17:43:31,722 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 17:43:31,724 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 17:43:31,726 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 17:43:31,728 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 17:43:31,728 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 17:43:31,728 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 17:43:31,729 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 17:43:31,730 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 17:43:31,731 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 17:43:31,732 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 17:43:31,733 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 17:43:31,733 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 17:43:31,734 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-23 17:43:31,734 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-23 17:43:31,734 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-23 17:43:31,735 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-23 17:43:31,735 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-23 17:43:31,736 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-23 17:43:31,750 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 17:43:31,750 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 17:43:31,751 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 17:43:31,751 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 17:43:31,752 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 17:43:31,752 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 17:43:31,752 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 17:43:31,752 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 17:43:31,752 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 17:43:31,753 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 17:43:31,753 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 17:43:31,753 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 17:43:31,753 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 17:43:31,753 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 17:43:31,754 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 17:43:31,754 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 17:43:31,754 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 17:43:31,754 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 17:43:31,754 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 17:43:31,754 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 17:43:31,755 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 17:43:31,755 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 17:43:31,755 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 17:43:31,755 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 17:43:31,755 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 17:43:31,756 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 17:43:31,756 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 17:43:31,756 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 17:43:31,798 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 17:43:31,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 17:43:31,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 17:43:31,816 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 17:43:31,817 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 17:43:31,817 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem08_label29_false-unreach-call.c [2018-10-23 17:43:31,879 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f8327283a/7ee4db32f3634465b4cd6e00d94d86b3/FLAG42b1c21fe [2018-10-23 17:43:35,033 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 17:43:35,034 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem08_label29_false-unreach-call.c [2018-10-23 17:43:35,262 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f8327283a/7ee4db32f3634465b4cd6e00d94d86b3/FLAG42b1c21fe [2018-10-23 17:43:35,276 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f8327283a/7ee4db32f3634465b4cd6e00d94d86b3 [2018-10-23 17:43:35,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 17:43:35,289 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 17:43:35,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 17:43:35,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 17:43:35,294 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 17:43:35,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:43:35" (1/1) ... [2018-10-23 17:43:35,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42eff4c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:43:35, skipping insertion in model container [2018-10-23 17:43:35,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:43:35" (1/1) ... [2018-10-23 17:43:35,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 17:43:36,836 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 17:43:59,588 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 17:43:59,593 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 17:44:11,365 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 17:44:27,369 INFO L193 MainTranslator]: Completed translation [2018-10-23 17:44:27,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:44:27 WrapperNode [2018-10-23 17:44:27,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 17:44:27,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 17:44:27,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 17:44:27,371 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 17:44:27,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:44:27" (1/1) ... [2018-10-23 17:44:28,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:44:27" (1/1) ... [2018-10-23 17:44:31,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 17:44:31,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 17:44:31,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 17:44:31,018 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 17:44:31,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:44:27" (1/1) ... [2018-10-23 17:44:31,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:44:27" (1/1) ... [2018-10-23 17:44:31,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:44:27" (1/1) ... [2018-10-23 17:44:31,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:44:27" (1/1) ... [2018-10-23 17:44:35,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:44:27" (1/1) ... [2018-10-23 17:44:36,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:44:27" (1/1) ... [2018-10-23 17:44:36,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:44:27" (1/1) ... [2018-10-23 17:44:37,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 17:44:37,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 17:44:37,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 17:44:37,482 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 17:44:37,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:44:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 17:44:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-23 17:44:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 17:44:37,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 17:46:24,380 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 17:46:24,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:46:24 BoogieIcfgContainer [2018-10-23 17:46:24,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 17:46:24,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 17:46:24,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 17:46:24,386 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 17:46:24,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 05:43:35" (1/3) ... [2018-10-23 17:46:24,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da0923c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:46:24, skipping insertion in model container [2018-10-23 17:46:24,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:44:27" (2/3) ... [2018-10-23 17:46:24,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da0923c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:46:24, skipping insertion in model container [2018-10-23 17:46:24,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:46:24" (3/3) ... [2018-10-23 17:46:24,390 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem08_label29_false-unreach-call.c [2018-10-23 17:46:24,399 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 17:46:24,413 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 17:46:24,429 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 17:46:24,540 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 17:46:24,540 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 17:46:24,541 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 17:46:24,541 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 17:46:24,541 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 17:46:24,541 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 17:46:24,541 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 17:46:24,541 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 17:46:24,541 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 17:46:24,784 INFO L276 IsEmpty]: Start isEmpty. Operand 23216 states. [2018-10-23 17:46:28,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17874 [2018-10-23 17:46:28,046 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 17:46:28,058 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 17:46:28,062 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 17:46:28,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 17:46:28,079 INFO L82 PathProgramCache]: Analyzing trace with hash 852174456, now seen corresponding path program 1 times [2018-10-23 17:46:28,081 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 17:46:28,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 17:46:28,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 17:46:28,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 17:46:28,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 17:46:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-23 17:47:11,127 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:215) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:919) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:183) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-23 17:47:11,132 INFO L168 Benchmark]: Toolchain (without parser) took 215844.47 ms. Allocated memory was 1.9 GB in the beginning and 6.0 GB in the end (delta: 4.1 GB). Free memory was 1.6 GB in the beginning and 3.4 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-23 17:47:11,136 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 17:47:11,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 52080.28 ms. Allocated memory was 1.9 GB in the beginning and 5.1 GB in the end (delta: 3.2 GB). Free memory was 1.6 GB in the beginning and 3.1 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2018-10-23 17:47:11,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 3646.96 ms. Allocated memory is still 5.1 GB. Free memory was 3.1 GB in the beginning and 2.0 GB in the end (delta: 1.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-23 17:47:11,140 INFO L168 Benchmark]: Boogie Preprocessor took 6463.24 ms. Allocated memory was 5.1 GB in the beginning and 4.3 GB in the end (delta: -812.6 MB). Free memory was 2.0 GB in the beginning and 1.4 GB in the end (delta: 584.1 MB). Peak memory consumption was 807.5 MB. Max. memory is 7.1 GB. [2018-10-23 17:47:11,142 INFO L168 Benchmark]: RCFGBuilder took 106900.40 ms. Allocated memory was 4.3 GB in the beginning and 5.6 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-23 17:47:11,143 INFO L168 Benchmark]: TraceAbstraction took 46748.18 ms. Allocated memory was 5.6 GB in the beginning and 6.0 GB in the end (delta: 332.9 MB). Free memory was 2.9 GB in the beginning and 3.4 GB in the end (delta: -462.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 17:47:11,151 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 52080.28 ms. Allocated memory was 1.9 GB in the beginning and 5.1 GB in the end (delta: 3.2 GB). Free memory was 1.6 GB in the beginning and 3.1 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 3646.96 ms. Allocated memory is still 5.1 GB. Free memory was 3.1 GB in the beginning and 2.0 GB in the end (delta: 1.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Boogie Preprocessor took 6463.24 ms. Allocated memory was 5.1 GB in the beginning and 4.3 GB in the end (delta: -812.6 MB). Free memory was 2.0 GB in the beginning and 1.4 GB in the end (delta: 584.1 MB). Peak memory consumption was 807.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 106900.40 ms. Allocated memory was 4.3 GB in the beginning and 5.6 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * TraceAbstraction took 46748.18 ms. Allocated memory was 5.6 GB in the beginning and 6.0 GB in the end (delta: 332.9 MB). Free memory was 2.9 GB in the beginning and 3.4 GB in the end (delta: -462.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:215) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown